USB adapter apparatus



FIG. 1 is a perspective back view of an USB adapter apparatus;

FIG. 2 is a perspective front view thereof; and,

FIG. 3 is a side view thereof.

The broken lines are included to show environmental structure and form no part of the claimed design.

The drawings and descriptions represent the left side embodiment. The claim is also for a mirror image right side embodiment. 

CLAIM The ornamental design for an USB adapter apparatus, as shown and described. 